An international group of climatologists, anthropologists, paleontologists and ecologists said that if the average temperature continues to rise by 2500, the Earth could become unsuitable for human life.. In their work, they considered three possible scenarios for the development of events, in the worst of which regions that have long been centers of the emergence of culture and development of species (for example, the Amazon basin) will become sterile.. The researchers write about their findings in an article for The Conversation.

“While some projections go beyond 2100, they are not factored into adaptation and climate change decision-making.. This is surprising since people born now will be about 70 years old by 2100.. What the world will be like for their children and grandchildren? "

They note that the latest UN report suggests temperatures could rise to a very dangerous 2.7 degrees Celsius above pre-industrial levels by 2100.. This will lead to unprecedented fires, droughts, hurricanes, floods and heat waves.. In addition, it will cause profound changes in marine and terrestrial ecosystems..

In their study, scientists considered three scenarios for the development of events until 2500: low level of mitigation of the effects of global warming, medium and high, which corresponds to the achievement of the goals of the Paris Agreement (an increase in the average temperature below 2 degrees Celsius).

Scientists have also modeled the spread of plants, crops and heat stress..

Simulations have shown that under worst-case and middle-case scenarios, temperatures will continue to rise beyond 2100.. As a result, vegetation and cultivated areas will move closer to the poles, and regions such as the Amazon basin will become lifeless..

In tropical regions that are now overpopulated, the level of heat stress can be fatal to humans.. These regions can become uninhabitable. Even in the best-case scenario, sea levels will continue to rise due to the expansion and mixing of water in warming oceans..

“Between 1500 and today, we have witnessed colonization and the industrial revolution, the rise of modern states, identities and institutions, the massive burning of fossil fuels and the associated rise in global temperatures.. Unless we succeed in stopping global warming, the next 500 years and beyond will change the Earth in such a way that our survival - especially in historically and geographically rooted cultures that give us meaning and identity - will be called into question.. The earth in our models is alien to people. We are faced with a choice: to urgently reduce emissions while continuing to adapt to warming that we cannot avoid, or to start preparing for life on Earth, which is very different from what we are used to, ”the scientists write..

They also provided illustrations that show how life will change under different scenarios in three regions: Amazon, India and the Midwest..

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Amazon basin.

Midwest USA.

India.

[see_also].

Gas crisis threatens fight against climate change - The Economist.

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Earlier, scientists from University College London said that the ice thickness of the Arctic coastal regions is shrinking much faster than previously thought.. Researchers have conducted new simulations that show that this speed is actually 70-100% higher than expected..